Alright, let's solve this math problem step by step. First, we have the number 899. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 251. So, we're going to take the number 899 and add it to itself 251 times.
Step 1: 0 + 899 = 899
Step 2: 899 + 899 = 1798
Step 3: 1798 + 899 = 2697
Step 4: 2697 + 899 = 3596
Step 5: 3596 + 899 = 4495
Step 6: 4495 + 899 = 5394
Step 7: 5394 + 899 = 6293
Step 8: 6293 + 899 = 7192
Step 9: 7192 + 899 = 8091
Step 10: 8091 + 899 = 8990
Step 11: 8990 + 899 = 9889
Step 12: 9889 + 899 = 10788
Step 13: 10788 + 899 = 11687
Step 14: 11687 + 899 = 12586
Step 15: 12586 + 899 = 13485
Step 16: 13485 + 899 = 14384
Step 17: 14384 + 899 = 15283
Step 18: 15283 + 899 = 16182
Step 19: 16182 + 899 = 17081
Step 20: 17081 + 899 = 17980
Step 21: 17980 + 899 = 18879
Step 22: 18879 + 899 = 19778
Step 23: 19778 + 899 = 20677
Step 24: 20677 + 899 = 21576
Step 25: 21576 + 899 = 22475
Step 26: 22475 + 899 = 23374
Step 27: 23374 + 899 = 24273
Step 28: 24273 + 899 = 25172
Step 29: 25172 + 899 = 26071
Step 30: 26071 + 899 = 26970
Step 31: 26970 + 899 = 27869
Step 32: 27869 + 899 = 28768
Step 33: 28768 + 899 = 29667
Step 34: 29667 + 899 = 30566
Step 35: 30566 + 899 = 31465
Step 36: 31465 + 899 = 32364
Step 37: 32364 + 899 = 33263
Step 38: 33263 + 899 = 34162
Step 39: 34162 + 899 = 35061
Step 40: 35061 + 899 = 35960
Step 41: 35960 + 899 = 36859
Step 42: 36859 + 899 = 37758
Step 43: 37758 + 899 = 38657
Step 44: 38657 + 899 = 39556
Step 45: 39556 + 899 = 40455
Step 46: 40455 + 899 = 41354
Step 47: 41354 + 899 = 42253
Step 48: 42253 + 899 = 43152
Step 49: 43152 + 899 = 44051
Step 50: 44051 + 899 = 44950
Step 51: 44950 + 899 = 45849
Step 52: 45849 + 899 = 46748
Step 53: 46748 + 899 = 47647
Step 54: 47647 + 899 = 48546
Step 55: 48546 + 899 = 49445
Step 56: 49445 + 899 = 50344
Step 57: 50344 + 899 = 51243
Step 58: 51243 + 899 = 52142
Step 59: 52142 + 899 = 53041
Step 60: 53041 + 899 = 53940
Step 61: 53940 + 899 = 54839
Step 62: 54839 + 899 = 55738
Step 63: 55738 + 899 = 56637
Step 64: 56637 + 899 = 57536
Step 65: 57536 + 899 = 58435
Step 66: 58435 + 899 = 59334
Step 67: 59334 + 899 = 60233
Step 68: 60233 + 899 = 61132
Step 69: 61132 + 899 = 62031
Step 70: 62031 + 899 = 62930
Step 71: 62930 + 899 = 63829
Step 72: 63829 + 899 = 64728
Step 73: 64728 + 899 = 65627
Step 74: 65627 + 899 = 66526
Step 75: 66526 + 899 = 67425
Step 76: 67425 + 899 = 68324
Step 77: 68324 + 899 = 69223
Step 78: 69223 + 899 = 70122
Step 79: 70122 + 899 = 71021
Step 80: 71021 + 899 = 71920
Step 81: 71920 + 899 = 72819
Step 82: 72819 + 899 = 73718
Step 83: 73718 + 899 = 74617
Step 84: 74617 + 899 = 75516
Step 85: 75516 + 899 = 76415
Step 86: 76415 + 899 = 77314
Step 87: 77314 + 899 = 78213
Step 88: 78213 + 899 = 79112
Step 89: 79112 + 899 = 80011
Step 90: 80011 + 899 = 80910
Step 91: 80910 + 899 = 81809
Step 92: 81809 + 899 = 82708
Step 93: 82708 + 899 = 83607
Step 94: 83607 + 899 = 84506
Step 95: 84506 + 899 = 85405
Step 96: 85405 + 899 = 86304
Step 97: 86304 + 899 = 87203
Step 98: 87203 + 899 = 88102
Step 99: 88102 + 899 = 89001
Step 100: 89001 + 899 = 89900
Step 101: 89900 + 899 = 90799
Step 102: 90799 + 899 = 91698
Step 103: 91698 + 899 = 92597
Step 104: 92597 + 899 = 93496
Step 105: 93496 + 899 = 94395
Step 106: 94395 + 899 = 95294
Step 107: 95294 + 899 = 96193
Step 108: 96193 + 899 = 97092
Step 109: 97092 + 899 = 97991
Step 110: 97991 + 899 = 98890
Step 111: 98890 + 899 = 99789
Step 112: 99789 + 899 = 100688
Step 113: 100688 + 899 = 101587
Step 114: 101587 + 899 = 102486
Step 115: 102486 + 899 = 103385
Step 116: 103385 + 899 = 104284
Step 117: 104284 + 899 = 105183
Step 118: 105183 + 899 = 106082
Step 119: 106082 + 899 = 106981
Step 120: 106981 + 899 = 107880
Step 121: 107880 + 899 = 108779
Step 122: 108779 + 899 = 109678
Step 123: 109678 + 899 = 110577
Step 124: 110577 + 899 = 111476
Step 125: 111476 + 899 = 112375
Step 126: 112375 + 899 = 113274
Step 127: 113274 + 899 = 114173
Step 128: 114173 + 899 = 115072
Step 129: 115072 + 899 = 115971
Step 130: 115971 + 899 = 116870
Step 131: 116870 + 899 = 117769
Step 132: 117769 + 899 = 118668
Step 133: 118668 + 899 = 119567
Step 134: 119567 + 899 = 120466
Step 135: 120466 + 899 = 121365
Step 136: 121365 + 899 = 122264
Step 137: 122264 + 899 = 123163
Step 138: 123163 + 899 = 124062
Step 139: 124062 + 899 = 124961
Step 140: 124961 + 899 = 125860
Step 141: 125860 + 899 = 126759
Step 142: 126759 + 899 = 127658
Step 143: 127658 + 899 = 128557
Step 144: 128557 + 899 = 129456
Step 145: 129456 + 899 = 130355
Step 146: 130355 + 899 = 131254
Step 147: 131254 + 899 = 132153
Step 148: 132153 + 899 = 133052
Step 149: 133052 + 899 = 133951
Step 150: 133951 + 899 = 134850
Step 151: 134850 + 899 = 135749
Step 152: 135749 + 899 = 136648
Step 153: 136648 + 899 = 137547
Step 154: 137547 + 899 = 138446
Step 155: 138446 + 899 = 139345
Step 156: 139345 + 899 = 140244
Step 157: 140244 + 899 = 141143
Step 158: 141143 + 899 = 142042
Step 159: 142042 + 899 = 142941
Step 160: 142941 + 899 = 143840
Step 161: 143840 + 899 = 144739
Step 162: 144739 + 899 = 145638
Step 163: 145638 + 899 = 146537
Step 164: 146537 + 899 = 147436
Step 165: 147436 + 899 = 148335
Step 166: 148335 + 899 = 149234
Step 167: 149234 + 899 = 150133
Step 168: 150133 + 899 = 151032
Step 169: 151032 + 899 = 151931
Step 170: 151931 + 899 = 152830
Step 171: 152830 + 899 = 153729
Step 172: 153729 + 899 = 154628
Step 173: 154628 + 899 = 155527
Step 174: 155527 + 899 = 156426
Step 175: 156426 + 899 = 157325
Step 176: 157325 + 899 = 158224
Step 177: 158224 + 899 = 159123
Step 178: 159123 + 899 = 160022
Step 179: 160022 + 899 = 160921
Step 180: 160921 + 899 = 161820
Step 181: 161820 + 899 = 162719
Step 182: 162719 + 899 = 163618
Step 183: 163618 + 899 = 164517
Step 184: 164517 + 899 = 165416
Step 185: 165416 + 899 = 166315
Step 186: 166315 + 899 = 167214
Step 187: 167214 + 899 = 168113
Step 188: 168113 + 899 = 169012
Step 189: 169012 + 899 = 169911
Step 190: 169911 + 899 = 170810
Step 191: 170810 + 899 = 171709
Step 192: 171709 + 899 = 172608
Step 193: 172608 + 899 = 173507
Step 194: 173507 + 899 = 174406
Step 195: 174406 + 899 = 175305
Step 196: 175305 + 899 = 176204
Step 197: 176204 + 899 = 177103
Step 198: 177103 + 899 = 178002
Step 199: 178002 + 899 = 178901
Step 200: 178901 + 899 = 179800
Step 201: 179800 + 899 = 180699
Step 202: 180699 + 899 = 181598
Step 203: 181598 + 899 = 182497
Step 204: 182497 + 899 = 183396
Step 205: 183396 + 899 = 184295
Step 206: 184295 + 899 = 185194
Step 207: 185194 + 899 = 186093
Step 208: 186093 + 899 = 186992
Step 209: 186992 + 899 = 187891
Step 210: 187891 + 899 = 188790
Step 211: 188790 + 899 = 189689
Step 212: 189689 + 899 = 190588
Step 213: 190588 + 899 = 191487
Step 214: 191487 + 899 = 192386
Step 215: 192386 + 899 = 193285
Step 216: 193285 + 899 = 194184
Step 217: 194184 + 899 = 195083
Step 218: 195083 + 899 = 195982
Step 219: 195982 + 899 = 196881
Step 220: 196881 + 899 = 197780
Step 221: 197780 + 899 = 198679
Step 222: 198679 + 899 = 199578
Step 223: 199578 + 899 = 200477
Step 224: 200477 + 899 = 201376
Step 225: 201376 + 899 = 202275
Step 226: 202275 + 899 = 203174
Step 227: 203174 + 899 = 204073
Step 228: 204073 + 899 = 204972
Step 229: 204972 + 899 = 205871
Step 230: 205871 + 899 = 206770
Step 231: 206770 + 899 = 207669
Step 232: 207669 + 899 = 208568
Step 233: 208568 + 899 = 209467
Step 234: 209467 + 899 = 210366
Step 235: 210366 + 899 = 211265
Step 236: 211265 + 899 = 212164
Step 237: 212164 + 899 = 213063
Step 238: 213063 + 899 = 213962
Step 239: 213962 + 899 = 214861
Step 240: 214861 + 899 = 215760
Step 241: 215760 + 899 = 216659
Step 242: 216659 + 899 = 217558
Step 243: 217558 + 899 = 218457
Step 244: 218457 + 899 = 219356
Step 245: 219356 + 899 = 220255
Step 246: 220255 + 899 = 221154
Step 247: 221154 + 899 = 222053
Step 248: 222053 + 899 = 222952
Step 249: 222952 + 899 = 223851
Step 250: 223851 + 899 = 224750
Step 251: 224750 + 899 = 225649

So, 899*251 = 225649